The 420 Series doors are designed for heavy-duty use in a variety of commercial and industrial applications.  The 420 Series features a 2" (51mm) panel thickness, 16-gauge steel intermediate and end stiles, ribbed steel exterior and a white paint finish.  The 420 Series is a 20-gauge steel door available in sizes up to 31´2" in width and 24´1" in height (9500mm and 7341mm).  Numerous options--including weatherstripping, reinforced struts, movable center posts, and motor operation -- allow these heavy-duty doors to meet nearly any project requirements.